A conceptual model for simulation of catchment scale nitrate transport

Y. Van Herpe, Peter A Troch, L. Callewier, F. P. De Troch

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A conceptual catchment-scale model for simulating nitrate transport in rural watersheds is presented. The model consists of a hydrological part and a nitrate transport module. The latter comprises two functions: a production function controlling nitrate release from the unsaturated zone and a transfer function controlling the discharge of nitrate in the surface water. The production function simulates surface runoff and nitrate leaching towards the saturated zone in response to effective rainfall, duration of the leaching period and initial soil nitrate content of the leaching period. The transfer function defines a proportional relation between the catchment soil saturation deficit and the nitrate concentration in the surface water. The model is found to be applicable for two different catchments under humid temperate climatic conditions.

Original languageEnglish (US)
Pages (from-to)181-191
Number of pages11
JournalIAHS-AISH Publication
Issue number257
StatePublished - 1999
Externally publishedYes

Fingerprint

catchment
nitrate
simulation
leaching
transfer function
surface water
phreatic zone
vadose zone
soil
watershed
saturation
runoff
rainfall

ASJC Scopus subject areas

  • Water Science and Technology
  • Oceanography

Cite this

Van Herpe, Y., Troch, P. A., Callewier, L., & De Troch, F. P. (1999). A conceptual model for simulation of catchment scale nitrate transport. IAHS-AISH Publication, (257), 181-191.

A conceptual model for simulation of catchment scale nitrate transport. / Van Herpe, Y.; Troch, Peter A; Callewier, L.; De Troch, F. P.

In: IAHS-AISH Publication, No. 257, 1999, p. 181-191.

Research output: Contribution to journalArticle

Van Herpe, Y, Troch, PA, Callewier, L & De Troch, FP 1999, 'A conceptual model for simulation of catchment scale nitrate transport', IAHS-AISH Publication, no. 257, pp. 181-191.
Van Herpe, Y. ; Troch, Peter A ; Callewier, L. ; De Troch, F. P. / A conceptual model for simulation of catchment scale nitrate transport. In: IAHS-AISH Publication. 1999 ; No. 257. pp. 181-191.
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